Base | Representation |
---|---|
bin | 11110101110110101001100 |
3 | 120011021221120 |
4 | 132232311030 |
5 | 4030244030 |
6 | 444400540 |
7 | 125322201 |
oct | 36566514 |
9 | 16137846 |
10 | 8056140 |
11 | 4602774 |
12 | 2846150 |
13 | 1890b61 |
14 | 10d9ca8 |
15 | a92010 |
hex | 7aed4c |
8056140 has 24 divisors (see below), whose sum is σ = 22557360. Its totient is φ = 2148288.
The previous prime is 8056127. The next prime is 8056151. The reversal of 8056140 is 416508.
8056140 = 10002 + 10012 + ... + 10072.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 8056140.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67075 + ... + 67194.
It is an arithmetic number, because the mean of its divisors is an integer number (939890).
Almost surely, 28056140 is an apocalyptic number.
It is an amenable number.
8056140 is an abundant number, since it is smaller than the sum of its proper divisors (14501220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8056140 is a wasteful number, since it uses less digits than its factorization.
8056140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134281 (or 134279 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 8056140 is about 2838.3340183988. The cubic root of 8056140 is about 200.4667432397.
It can be divided in two parts, 80561 and 40, that added together give a triangular number (80601 = T401).
The spelling of 8056140 in words is "eight million, fifty-six thousand, one hundred forty".
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